# Error del editor de tablas: No se pueden leer propiedades de null (lectura de 'length') persiste en 2026.2.0-latest

**URL:** <https://meta.discourse.org/t/table-editor-error-cannot-read-properties-of-null-reading-length-persists-on-2026-2-0-latest/395540>\
**Category:** Bug\
**Tags:** table-builder, bug\
**Created:** [9 Febrero, 2026 12:57 UTC](https://meta.discourse.org/t/table-editor-error-cannot-read-properties-of-null-reading-length-persists-on-2026-2-0-latest/395540 "2026-02-09T12:57:01Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![Ethsim2](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/ethsim2/32/522255_2.png) [@Ethsim2](https://meta.discourse.org/u/Ethsim2)\
**Post date:** [10 Febrero, 2026 06:29 UTC](https://meta.discourse.org/t/table-editor-error-cannot-read-properties-of-null-reading-length-persists-on-2026-2-0-latest/395540/4 "2026-02-10T06:29:25Z")

</div>

```plaintext
Material | $\varepsilon_r$
-------- | --------------
Aire seco | 1.0006
Papel | 3
Diamante | 5
Silicio | 12
HfO $_2$ (Hf = Hafnio) | 25
H $_2$ O | 80
BaTiO $_3$ (Titanato de bario - útil para mantener su polarización) | $\sim 4000$

```

| Material | \varepsilon\_r |
| --- | --- |
| Aire seco | 1.0006 |
| Papel | 3 |
| Diamante | 5 |
| Silicio | 12 |
| HfO \_2 (Hf = Hafnio) | 25 |
| H \_2 O | 80 |
| BaTiO \_3 (Titanato de bario - útil para mantener su polarización) | \sim 4000 |

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_[View the full topic](https://meta.discourse.org/t/table-editor-error-cannot-read-properties-of-null-reading-length-persists-on-2026-2-0-latest/395540)._